One thing you can't pretend to be is funny.
The longer the test the better you feel when it's over.
You'll have a lot more respect for a bird after you try making a nest.
Hitting the kid with the ball might get you the ball, but it won't get you anyone to throw it to.
It's easier to throw sticks on the campfire than to try to restart it when it goes out.
It's easier to see the mistake on someone else's paper.